Arteiro

React to any video or photo in style. Arteiro is the reaction video app you've been waiting for: pick a background, record your camera reaction, and share the composited result — all in seconds. • PiP (Picture-in-Picture) — your reaction in a floating circle, drag and pinch to reposition and resize • Split Screen — 50/50 split between you and the content • Boxed — your reaction in a rounded frame, positionable • Green Screen — chroma key mode with tolerance and softness controls • Cutout — person segmentation with transparent background Features: • Video or photo background from your library • Up to 60-second recording with progress ring • Pause and resume recording • Switch front and back camera • Review before exporting • Save to Photos or share directly to Instagram, TikTok, YouTube, and more • Arteiro watermark on exported videos • Full English and Portuguese support • Dark, sophisticated design — built for creators